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                <h1 id="firstHeading" class="firstHeading">Experimental C standard libraries</h1>
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<p>The C standards committee publishes experimental C language and library extensions for future standardization.
</p>
<p>Note: until 2012, these publications used the TR (technical report) format. Since 2012 ISO procedure changed to use the TS (technical specification) format.
</p>
<table class="wikitable">

<tr>
<th>ISO number</th>
<th>Name</th>
<th>Status</th>
<th>links
</th>
</tr>
<tr>
<td> ISO/IEC TR
<p>19769:2004
</p>
</td>
<td> Extensions to support new character data types
</td>
<td> Published (<a rel="nofollow" class="external text" href="http%3A//www.iso.org/iso/iso_catalogue/catalogue_tc/catalogue_detail.htm%3Fcsnumber%3D33907">ISO store</a>)
<p>Final draft: <a rel="nofollow" class="external text" href="http%3A//www.open-std.org/jtc1/sc22/wg14/www/docs/n1040.pdf">n1040</a> (2003-11-07)<br>
Merged into C11
</p>
</td>
<td>
</td>
</tr>
<tr>
<td> ISO/IEC TR
<p>24731-1:2007
</p>
</td>
<td> Bounds-checking interfaces
</td>
<td> Published (<a rel="nofollow" class="external text" href="http%3A//www.iso.org/iso/catalogue_detail.htm%3Fcsnumber%3D38841">ISO store</a>)
<p>Final draft: <a rel="nofollow" class="external text" href="http%3A//www.open-std.org/jtc1/sc22/wg14/www/docs/n1225.pdf">n1225</a> (2007-03-28)<br>
Merged into C11
</p>
</td>
<td>
</td>
</tr>
<tr>
<td> ISO/IEC TR 18037:2008
</td>
<td> Extensions to support embedded processors
</td>
<td> Published (<a rel="nofollow" class="external text" href="http%3A//www.iso.org/iso/catalogue_detail.htm%3Fcsnumber%3D51126">ISO store</a>)
<p>Final draft: <a rel="nofollow" class="external text" href="http%3A//www.open-std.org/jtc1/sc22/wg14/www/docs/n1021.pdf">n1021</a> (2003-09-24)
</p>
</td>
<td>
</td>
</tr>
<tr>
<td> ISO/IEC TR
<p>24732:2009
</p>
</td>
<td> Extensions to support to support decimal floating-point arithmetic
</td>
<td> Published (<a rel="nofollow" class="external text" href="http%3A//www.iso.org/iso/catalogue_detail.htm%3Fcsnumber%3D38842">ISO store</a>)
<p>Final draft: <a rel="nofollow" class="external text" href="http%3A//www.open-std.org/jtc1/sc22/wg14/www/docs/n1241.pdf">n1241</a> (2007-07-05)<br>
Superseded by TS 18661-2:2015
</p>
</td>
<td>
</td>
</tr>
<tr>
<td> ISO/IEC TR
<p>24747:2009
</p>
</td>
<td> Extensions to support mathematical special functions
</td>
<td> Published (<a rel="nofollow" class="external text" href="http%3A//www.iso.org/iso/catalogue_detail.htm%3Fcsnumber%3D38857">ISO store</a>)
<p>Draft: <a rel="nofollow" class="external text" href="http%3A//www.open-std.org/jtc1/sc22/wg14/www/docs/n1182.pdf">n1182</a> (2006-08-02)
</p>
</td>
<td>
</td>
</tr>
<tr>
<td> ISO/IEC TR
<p>24731-2:2010
</p>
</td>
<td> Extensions to support dynamic allocation functions
</td>
<td> Published 2010-11-24 (<a rel="nofollow" class="external text" href="http%3A//www.iso.org/iso/catalogue_detail.htm%3Fcsnumber%3D51678">ISO store</a>)
<p>Draft: <a rel="nofollow" class="external text" href="http%3A//www.open-std.org/jtc1/sc22/wg14/www/docs/n1248.pdf">n1248</a> (2007-08-15)
</p>
</td>
<td> <a href="experimental/dynamic.html" title="c/experimental/dynamic">dynamic</a>
</td>
</tr>
<tr>
<td> ISO/IEC TS
<p>17961:2013
</p>
</td>
<td> Secure coding rules
</td>
<td> Published 2013-11-15 (<a rel="nofollow" class="external text" href="http%3A//www.iso.org/iso/catalogue_detail.htm%3Fcsnumber%3D61134">ISO store</a>)
<p>Draft: <a rel="nofollow" class="external text" href="http%3A//www.open-std.org/jtc1/sc22/wg14/www/docs/n1624.pdf">n1624</a> (2012-06-26)
</p>
</td>
<td>
</td>
</tr>
<tr>
<td> ISO/IEC TS
<p>18661-1:2014
</p>
</td>
<td> Floating-point extensions: Binary floating-point arithmetic
</td>
<td> Published 2014-07-21 (<a rel="nofollow" class="external text" href="http%3A//www.iso.org/iso/catalogue_detail.htm%3Fcsnumber%3D63146">ISO store</a>)
<p>Draft: <a rel="nofollow" class="external text" href="http%3A//www.open-std.org/JTC1/sc22/wg14/www/docs/n1778.pdf">n1778</a> (2013-11-05)
</p>
</td>
<td>
</td>
</tr>
<tr>
<td> ISO/IEC TS
<p>18661-2:2015
</p>
</td>
<td> Floating-point extensions: Decimal floating-point arithmetic
</td>
<td> Published 2015-02-11, Revised 2015-05-18 (<a rel="nofollow" class="external text" href="http%3A//www.iso.org/iso/home/store/catalogue_ics/catalogue_detail_ics.htm%3Fcsnumber%3D68882">ISO store</a>).
<p>Post-publication draft: <a rel="nofollow" class="external text" href="http%3A//www.open-std.org/jtc1/sc22/wg14/www/docs/n1912.pdf">n1912</a> (2015-03-09)
</p>
</td>
<td>
</td>
</tr>
<tr>
<td> ISO/IEC DTS
<p>18661-3:xxxx
</p>
</td>
<td> Floating-point extensions: Interchange and extended types
</td>
<td> DTS, Draft: <a rel="nofollow" class="external text" href="http%3A//www.open-std.org/jtc1/sc22/wg14/www/docs/n1945.pdf">n1945</a> (2014-06-10)
</td>
<td>
</td>
</tr>
<tr>
<td> ISO/IEC DTS
<p>18661-4:xxxx
</p>
</td>
<td> Floating-point extensions: Supplementary functions
</td>
<td> DTS, Draft: <a rel="nofollow" class="external text" href="http%3A//www.open-std.org/jtc1/sc22/wg14/www/docs/n1950.pdf">n1950</a> (2015-06-10)
</td>
<td>
</td>
</tr>
<tr>
<td> ISO/IEC DTS
<p>18661-5:xxxx
</p>
</td>
<td> Floating-point extensions: Supplementary attributes
</td>
<td> DTS. Draft <a rel="nofollow" class="external text" href="http%3A//www.open-std.org/jtc1/sc22/wg14/www/docs/n1919.pdf">n1919</a> (2015-03-25)
</td>
<td>
</td>
</tr>
<tr>
<td>
</td>
<td> Extensions for parallel programming
</td>
<td> Early draft: <a rel="nofollow" class="external text" href="http%3A//www.open-std.org/JTC1/sc22/wg14/www/docs/n1862.pdf">n1862</a> (2014-09-18)
</td>
<td>
</td>
</tr>
</table>

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